Selective permeation of o‐, m‐, and p‐isomers of benzene derivatives through polymer membranes based on cyclodextrin complexation in the bulk aqueous solution

Jun‐Ichi ‐I Anzai, Yutaka Kobayashi, Akihiko Ueno, Tetsuo Osa

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Transport behavior of several aromatic compounds through a poly(vinyl chloride)membrane and poly(vinyl alcohol)‐poly(ethylenimine) composite membranes was studied in the presence of cyclodextrin in the aqueous solution. o‐Isomers of nitrophenol, nitroaniline, and iodophenol were effectively separated from their mixture of regio isomers based on the preferential complexation between cyclodextrin and the m‐ and p‐isomers over the o‐isomers. Pumping of p‐nitroaniline across the membrane was also observed by addition of cyclodextrin. The results were explained as a consequence of the selective complex formation between cyclodexarin and substrate and the low membrane permeability of the complexes.

Original languageEnglish
Pages (from-to)1199-1208
Number of pages10
JournalJournal of Applied Polymer Science
Volume31
Issue number5
DOIs
Publication statusPublished - 1986 Apr

ASJC Scopus subject areas

  • Chemistry(all)
  • Surfaces, Coatings and Films
  • Polymers and Plastics
  • Materials Chemistry

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